Manager.php

См. документацию.

<?php
 
namespace Bitrix\Bizproc\Task;
 
use Bitrix\Bizproc\Task\Data\TaskData;
 
final class Manager
{
    public static function hasTask(string $associatedActivity): bool
    {
        return array_key_exists($associatedActivity, self::getSupportedTasks());
    }
 
    public static function getTask(string $associatedActivity, array $task, int $userId): ?Task
    {
        if (self::hasTask($associatedActivity))
        {
            $class = self::getSupportedTasks()[$associatedActivity];
            if (class_exists($class))
            {
                $taskData = TaskData::createFromArray($task);
                if ($taskData)
                {
                    return new $class($taskData, $userId);
                }
            }
        }
 
        return null;
    }
 
    private static function getSupportedTasks(): array
    {
        return [
            ExternalEventTask::getAssociatedActivity() => ExternalEventTask::class,
        ];
    }
}